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Service brakes should:
A.  Be tested once a month.
B.  Only be tested by a trained mechanic.
C.  Be tested before every trip.
Before driving, you should always verify that your service brakes are in good working order. Testing the brakes before a trip allows you to locate any problems before you need to brake while on the road.
Answer Statistics
9.58 % of our users get this question wrong.
This question's difficulty is Medium

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